Deck 12: Predicate Logic Truth Trees

Question 1

Use the truth-tree method to determine the validity/invalidity of the following arguments. If invalid, use the constants in an open path to expand the premises and conclusion and assign truth-values to show the invalidity.
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Answer 1

Question 2

Use the truth-tree method to determine the validity/invalidity of the following arguments. If invalid, use the constants in an open path to expand the premises and conclusion and assign truth-values to show the invalidity.
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Answer 2

Question 3

Use the truth-tree method to determine the validity/invalidity of the following arguments. If invalid, use the constants in an open path to expand the premises and conclusion and assign truth-values to show the invalidity.
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Answer 3

Question 4

Use the truth-tree method to determine the validity/invalidity of the following arguments. If invalid, use the constants in an open path to expand the premises and conclusion and assign truth-values to show the invalidity.
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Question 5

Use the truth-tree method to determine the validity/invalidity of the following arguments. If invalid, use the constants in an open path to expand the premises and conclusion and assign truth-values to show the invalidity.
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Question 6

Use the truth-tree method to determine the validity/invalidity of the following arguments. If invalid, use the constants in an open path to expand the premises and conclusion and assign truth-values to show the invalidity.
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Question 7

Use the truth-tree method to determine the validity/invalidity of the following arguments. If invalid, use the constants in an open path to expand the premises and conclusion and assign truth-values to show the invalidity.
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Question 8

Use the truth-tree method to determine the validity/invalidity of the following arguments. If invalid, use the constants in an open path to expand the premises and conclusion and assign truth-values to show the invalidity.
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